#include <stdio.h>
#include <stdlib.h>

int main(void)
{
	FILE *fp;

	if ((fp = fopen("dsadsasdasaddwqr.txt", "r")) == NULL )
	{
		printf("标准输出！\n");
		fputs("打开文件失败！\n",stderr);
		exit(EXIT_FAILURE);
	}

	
	fclose(fp);

	return 0;	
}
